AWS Data Engineer

Ampstek
Ipswich
3 days ago
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Position: AWS Data Engineer

Position type: Permanent (Onsite)

Location: Ipswich, UK


Job Description:


We are seeking an experienced AWS Data Engineer with strong expertise in ETL pipelines, Redshift, Iceberg, Athena, and S3 to support large-scale data processing and analytics initiatives in the telecom domain. The candidate will work closely with data architects, business analysts, and cross-functional teams to build scalable and efficient data solutions supporting network analytics, customer insights, billing systems, and telecom OSS/BSS workflows.


Key Responsibilities

1. Data Engineering & ETL Development

  • Design, develop, and maintain ETL/ELT pipelines using AWS-native services (Glue, Lambda, EMR, Step Functions).
  • Implement data ingestion from telecom systems like OSS/BSS, CDRs, mediation systems, CRM, billing, network logs.
  • Optimize ETL workflows for large-scale telecom datasets (high volume, high velocity).

2. Data Warehousing (Redshift)

  • Build and manage scalable Amazon Redshift clusters for reporting and analytics.
  • Create and optimize schemas, tables, distribution keys, sort keys, and workload management.
  • Implement Redshift Spectrum to query data in S3 using external tables.

3. Data Lake & Iceberg

  • Implement and maintain Apache Iceberg tables on AWS for schema evolution and ACID operations.
  • Build Iceberg-based ingestion and transformation pipelines using Glue, EMR, or Spark.
  • Ensure high performance for petabyte-scale telecom datasets (CDRs, tower logs, subscriber activity).

4. Querying & Analytics (Athena)

  • Develop and optimize Athena queries for operational and analytical reporting.
  • Integrate Athena with S3/Iceberg for low-cost, serverless analytics.
  • Manage Glue Data Catalog integrations and table schema management.

5. Storage (S3) & Data Lake Architecture

  • Design secure, cost-efficient S3 data lake structures (bronze/silver/gold zones).
  • Implement data lifecycle policies, versioning, and partitioning strategies.
  • Ensure data governance, metadata quality, and security (IAM, Lake Formation).

6. Telecom Domain Expertise

  • Understand telecom-specific datasets such as:
  • CDR, xDR, subscriber data
  • Network KPIs (4G/5G tower logs)
  • Customer lifecycle & churn data
  • Billing & revenue assurance
  • Build models and pipelines to support network analytics, customer 360, churn prediction, fraud detection, etc.

7. Performance Optimization & Monitoring

  • Tune Spark/Glue jobs for performance and cost.
  • Monitor Redshift/Athena/S3 efficiency and implement best practices.
  • Perform data quality checks and validation across pipelines.

8. DevOps & CI/CD (Preferred)

  • Use Git, Code Pipeline, Terraform/CloudFormation for infrastructure and deployments.
  • Automate pipeline deployment and monitoring.


Required Skills

  • 3–10 years' experience in data engineering.
  • Strong hands-on experience with:
  • AWS S3, Athena, Glue, Redshift, EMR/Spark
  • Apache Iceberg
  • Python/SQL
  • Experience in telecom data pipelines and handling large-scale structured/semi-structured data.
  • Strong problem-solving, optimization, and debugging skills.


Good to Have Skills

  • Knowledge of AWS Lake Formation, Kafka/Kinesis, Airflow, or Delta/Apache Hudi.
  • Experience with ML workflows in telecom (churn, network prediction).
  • Exposure to 5G network data models.


Thanks and Regards,

Schiffer Felix

Talent Acquisition Executive| UK & Europe

Ampstek Services Limited

Sontraer Str. 9 60386, Frankfurt am Main, Hessen Germany

Tel - +49 (69) 50604428

Email - / www.ampstek.com

LinkedIn - https://www.linkedin.com/in/schiffer-felix-92a797222/

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